| 摘要 |
Method for recording a consumption value, evaluated from measurement values, has the following steps: storage of valid tariff values, delivery and processing of measurement values relating to supply and consumption of material, energy or information using a first mathematical algorithm, supply of corresponding time data, calculation of a fee for supplied product, formation of a secure message containing the fee amount, transmission of the cryptographically protected message to a central server. An Independent claim is made for a consumer meter with a communications link to a central server with a security module for encrypting a billing message prior to sending it to a central server. |
